Atty. Leonard Bloom
Leonard Bloom is a lawyer practicing patent application, trademark application, prosecution and 1 other area of law. Leonard has been licensed for 69 years.
Patent Application & More Attorney · Serving Washington, DC · 69+ Years Experience
Profile Summary
About Leonard Bloom at a Glance
Leonard Bloom is a patent and trademark attorney based in Washington, District of Columbia. They have 69+ years of legal experience, licensed to practice since 1957. Admitted to practice in Maryland (1957) and District of Columbia (1982). Recognitions include AV Preeminent. Serves clients in Washington, DC and the surrounding metropolitan area.
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About Leonard Bloom
- Leonard Bloom is a lawyer practicing patent application, trademark application, prosecution and 1 other area of law
- Leonard has been licensed for 69 years
- Leonard practices in Washington, DC
Practice Areas Explained
Leonard Bloom's Areas of Legal Practice
Each practice area below reflects the types of cases Leonard Bloom handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Patent Law in Washington
Leonard Bloom is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →
Trademark Law in Washington
Leonard Bloom is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in District of Columbia →
Jurisdictional Context
Why Local Counsel Matters in Washington
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.
Washington Courts and Legal Process
Choosing a Washington-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
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Professional Profile
Why Clients in Washington Choose Leonard Bloom
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Leonard Bloom's practice in the field of patent and trademark.
Decade-Tested Legal Experience
Leonard Bloom brings 69+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Maryland and District of Columbia, Leonard Bloom can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering patent and trademark, Leonard Bloom can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Washington
A Washington-based practice means Leonard Bloom attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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How People Find Leonard Bloom Online
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Leonard Bloom's Practice Areas & Specializations
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